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Attack surface reduction #422

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Attack surface reduction #422

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5 changes: 5 additions & 0 deletions libs/vpnproviders.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@
# Various pieces of VPN provider code used by the add-on.

import os
# For os.chmod
import stat
import xbmc
import xbmcgui
import xbmcvfs
Expand Down Expand Up @@ -301,6 +303,9 @@ def copyKeyAndCert(vpn_provider, ovpn_name, user_key, user_cert):
errorTrace("vpnproviders.py", str(e))
return False

# Attack surface reduction: set the key and cert file to 0600
os.chmod(key_dest, stat.S_IRUSR|stat.S_IWUSR)
os.chmod(cert_dest, stat.S_IRUSR|stat.S_IWUSR)

def getKeyName(vpn_provider, ovpn_name):
# Determines the user key name based on the provider
Expand Down